[ns-ui] A full-bleed ambient background reproducing engine-turning (guilloché), the rose-engine lathe technique used to engrave the dense woven rosette patterns on banknotes and security documents: three superimposed hypotrochoid passes at close, unequal lathe ratios beat against each other while the ratios
pnpm dlx shadcn@latest add "https://registry.directory/r/nikolas-sapa/background-engine-turn-guilloche.json"